diff --git a/go.mod b/go.mod
index ba65470..2db286d 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module go.unistack.org/micro-config-flag/v3
 
 go 1.16
 
-require go.unistack.org/micro/v3 v3.8.19
+require go.unistack.org/micro/v3 v3.8.20
diff --git a/go.sum b/go.sum
index d7e0787..93722b8 100644
--- a/go.sum
+++ b/go.sum
@@ -67,10 +67,10 @@ github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2
 github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
 github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y=
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
-go.unistack.org/micro-proto/v3 v3.2.0 h1:EuWXPYIRdDXgEiUEfoWWf/defUDtZfHpBeAl7MOHsSs=
-go.unistack.org/micro-proto/v3 v3.2.0/go.mod h1:ZltVWNECD5yK+40+OCONzGw4OtmSdTpVi8/KFgo9dqM=
-go.unistack.org/micro/v3 v3.8.19 h1:nGRUTO4WKpI0V9hY2pUUageoOREY3X/f0hshyUpK+OA=
-go.unistack.org/micro/v3 v3.8.19/go.mod h1:cij0rjC01Ajh2aBbcVXYB61KGyPymxpeTJ/PVQycgHE=
+go.unistack.org/micro-proto/v3 v3.2.1 h1:z7+V97LcAwMbBiYStmf8b6fFk2UPJTzni+rxNqk4NrI=
+go.unistack.org/micro-proto/v3 v3.2.1/go.mod h1:ZltVWNECD5yK+40+OCONzGw4OtmSdTpVi8/KFgo9dqM=
+go.unistack.org/micro/v3 v3.8.20 h1:ZKqkb1IY3sNLgcEN3fxOkVgwxBP3vz8m+p297qLxx9w=
+go.unistack.org/micro/v3 v3.8.20/go.mod h1:aBOCQ6SkAwKMRI7Q1CIsQA2S88ibyJfweJZlT1M2qpE=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=